Home / 138,173.85-207,260.88-38,334.14

Finding the Fourth Proportional to 138,173.85, 207,260.88 and 38,334.14

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Solution

The fourth proportional to 138,173.85, 207,260.88 and 38,334.14 is: 57,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,173.85 : 207,260.88 = 38,334.14 : x
  2. Step 2: Convert to fraction form
    138,173.85/207,260.88 = 38,334.14/x
  3. Step 3: Cross multiply
    138,173.85x = 207,260.88 × 38,334.14
  4. Step 4: Simplify right side
    138,173.85x = 7,945,166,604.69
  5. Step 5: Solve for x
    x = 7,945,166,604.69/138,173.85
  6. Step 6: Final answer
    x = 57,501.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.